type context.CancelFunc

10 uses

	context (current package)
		context.go#L224: type CancelFunc func()
		context.go#L232: func WithCancel(parent Context) (ctx Context, cancel CancelFunc) {
		context.go#L430: func WithDeadline(parent Context, d time.Time) (Context, CancelFunc) {
		context.go#L502: func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) {

	net
		dial.go#L542: 				var cancel context.CancelFunc

	net/http
		server.go#L254: 	cancelCtx context.CancelFunc
		server.go#L422: 	cancelCtx        context.CancelFunc // when ServeHTTP exits
		server.go#L3298: 		var cancelCtx context.CancelFunc

	os/signal
		signal.go#L277: func NotifyContext(parent context.Context, signals ...os.Signal) (ctx context.Context, stop context.CancelFunc) {
		signal.go#L301: 	cancel  context.CancelFunc